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Official data from INPI

PROCESSO PARA PREPARAR UMA COMPOSIÇÃO DETERGENTE LIQUIDA, AQUOSA, HOMOGENEA.

ConcedidaInvention Patent

Application data

Number

PI8102035

Type

Invention Patent

Filing

04/03/1981

Publication

10/13/1981

Progress at the INPI

  1. Filing04/03/81
  2. Publication10/13/81
  3. Examination10/18/83
  4. Allowance02/12/85
  5. Grant08/27/85
  6. Expired10/01/96

The letters patent expired on 10/01/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

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Inventors

D. F. (pessoa física)

H. T. (pessoa física)

R. D. (pessoa física)

V. N. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8011744 · 04/09/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

Conhecimento de parecer técnico

#7.1

06/12/1984

RPI 712

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Publicação do pedido de patente

#3.1

10/13/1981

RPI 573

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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